Memory Resident Data Facility Summary Information
When the Multi-User Facility is terminated, summary Memory Resident Data Facility (MRDF) information is written to the SYSLST file after the Multi-User startup options.
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When the Multi-User Facility is terminated, summary Memory Resident Data Facility (MRDF) information is written to the SYSLST file after the Multi-User startup options.
Date: mm/dd/ccyy ******************************************************************************** Page: 2 * CA Datacom/DB * Time: hh.mm.ss * General Utility * Release: 12 * Copyright © 2009 CA. All rights reserved. * SPnn ******************************************************************************** M R D F SUMMARY INFORMATION Ž VIRTUAL COVERED COVERED AREA USE SIZE BLOCKS SPACE MRDF READS MRDF WRITES 1ST/ACT READS NON-1ST READS PERCENT IXX00001 COVERED 83K 22 ADDRESS 1 4 0 WITHIN 100 DEM00001 COVERED 62K 62 ADDRESS 1 2 0 WITHIN 100 PAY00001 COVERED 62K 62 ADDRESS 1 2 0 WITHIN 100 IXX00006 VIRTUAL 2M 510 ADDRESS 6 3 USED 0 IXX00999 COVERED 80K 21 ADDRESS 1 3 REUSED 25 DEM00999 COVERED 40K 40 ADDRESS 1 2 REUSED 33
The spacing in this example is expanded for clarity.
- AREA - Area DATACOM-NAME and database DATACOM-ID in the format aaannnnn.
- Ž
- USE - Indicates whether the resident area is COVERED or VIRTUAL.
Date: mm/dd/ccyy ******************************************************************************** Page: 3 * CA Datacom/DB * Time: hh.mm.ss * General Utility * Release: 12 * Copyright © 2009 CA. All rights reserved. * SPnn ******************************************************************************** M R D F SUMMARY INFORMATION Œ Ž ‘ ’ “ VIRTUAL COVERED COVERED AREA USE SIZE BLOCKS SPACE MRDF READS MRDF WRITES 1ST/ACT READS NON-1ST READS PERCENT IXX00001 COVERED 83K 22 ADDRESS 1 4 0 WITHIN 100 DEM00001 COVERED 62K 62 ADDRESS 1 2 0 WITHIN 100 PAY00001 COVERED 62K 62 ADDRESS 1 2 0 WITHIN 100 IXX00006 VIRTUAL 2M 510 ADDRESS 6 3 USED 0 IXX00999 COVERED 80K 21 ADDRESS 1 3 REUSED 25 DEM00999 COVERED 40K 40 ADDRESS 1 2 REUSED 33
The spacing in this example is expanded for clarity.
- Œ
- SIZE - Amount of memory allocated for this area that contains the data, Index, or Log Area blocks. This is the amount used, not the size specified in the Multi-User startup options. SIZE values are printed as follows:
- Numbers 1 through 9999 are printed with a blank terminator, for example, 9999 is printed as 9999 followed by a blank.
- Numbers 10000 through 9999K are printed as n through nnnnK, rounded up.
- Numbers 9999K plus one through 9999M are printed as n through nnnnM, rounded up.
- Numbers above 9999M are printed with a G as the terminating character, rounded up.
- BLOCKS - The number of data, Index, or Log Area blocks allocated to memory. COVERED is allocated in blocks and VIRTUAL is allocated in tracks.
- Ž
- SPACE - ADDRESS indicates use of normal partition memory.
- MRDF READS - Provides the number of blocks that were read from the MRDF space instead of from disk.
- VIRTUAL MRDF WRITES - Provides the number of blocks that were written to the MRDF VIRTUAL space.
- ‘
- COVERED 1ST/ACT READS - Provides the number of blocks read from disk for either a FIRST or ACTIVE COVERED area.
- ’
- COVERED NON-1ST READS - For a COVERED FIRST area only, provides the number of blocks read from disk which do not reside in the MRDF buffers.
- “
- PERCENT - Indicates the amount of use based on the following:
- REUSED
- (COVERED ACTIVE areas only.)Provides the percent of MRDF reads out of the total reads.
- USED
- (Virtual Areas Only.)Provides the percent of the space allocated which was actually used to service program requests.
- WITHIN
- (COVERED FIRST areas only.)Provides the percent of the total reads which occurred within the COVERED FIRST buffers.